14 



•jdurnaIj ok i.;nt()mui.()c.v and zoology 



of thr pupa' pi-o.jccl ahoiit lialf tlicir IciiLitli iVoiii the snil ami. 

 atta.-lici l,y til,, rau.lal .•ii.l. sway l.ark and r,,illi rat her a.^tivdv. 

 Ill iioiu' was tlic lH-iiii:iti- .if liansl'oniiation olis, 'rvcd ; spcci 

 iiioiis partly out of Ih.. skin were scvrral times noted. The male 

 lias (li'liciilty in cxtricatini;- the \ciy loni; antenna' from (lie 

 I'upal slieatli. A Meld sketch made id' tli.' einsely allied /•'. 

 spill, >s, I is herein ,<iiven and shows the relative position „{' the 



Ailiilt Mi.ilc of Kriorera !<p\,,(,m (). S. cmei-frin;; 



pai-ts ,.r the body tliat are used : the first fla.u'ellar se-ment of the 

 auteiUKr is directed straiiiht away from the hody. tin' fourth 

 se.u-inent (second fla-ellar ) at an a.iite an-ie to the tliii-d aud 

 then.v the antemiir continue strai-ht back to the sheatli. The 

 uuinei-ous spines on the underside of the fla-ellum of tlie males 

 of /•;. spiinisn and Jn,i,iHnnris liave Ion- been known and the 

 fa<-t that they point<'d away from the b,,dy imte.l : any use foi' 

 this curious (l<.\-elopn'ent has not l)een sui;-ested. We observed 

 the males in the act of wit hdrawin-' their antenna' and the 

 method of procedure was ab(Mit as follows: The tips of the 

 fore feinora are jilaced nnderneatli tlie sliarp spines on the 

 flas-ellnni and Ity raising the ley- tlie antenna is pnlleil npwar<l 

 slinhtly. These spines are re-ularly arrany-ed and since both 

 foi-eleiis work in unison, the spines t^iiicticm as co-s and the 

 whole or-an is -radually forced from its pupal sheath. The 



